56 



The Philippine Journal of Science 



1916 



Luzon, Laguna, Los Banos and Mount Maquiling (Baker). 

 Abundant. 



Jassus luzonensis sp. nov. 



Vertex and fore and middle legs yellowish, remainder dark 

 brown. Pleurae black, borders of abdominal tergites narrowly 

 yellowish. Wings smoky. Front and basal portion of clypeus 

 with numerous small round yellowish dots. Pronotum strongly 

 yellow tuberculate. Tegmina with numerous yellow interrup- 

 tions on the veins; membrane within the cells basally, with a 

 few small irregular dots. A small yellowish dash at two thirds 

 of the costal margin and a more indistinct yellowish mark across 

 the 2 outer apical cells. Length, 5 7, 2 8 mm. 



Clypeus but little expanded apically, the apical margin de- 

 pressed and roughened. Front, length not twice its greatest 



Fig. 3. Jassus luzonensis sp. nov. 



Fig. 4. Jassus philippinensis Stal. 



width, its surface, with that of clypeus except apical margin, 

 coarsely evenly shagreened. Lorse acutely extended above to 

 antennae, their surface, with that of genae, minutely rugose. 

 Vertex shorter and broader than in other Philippine species, 

 length but little less than width between eyes; surface broadly 

 depressed on either side, without distinct ocular fold; median 

 carina double, forming a very slender median sulcus; surface 

 rugose, the rugosities, anteriorly, converging obliquely to tip. 

 Ocelli slightly nearer to eyes than to median line. Width of 

 pronotum two and two thirds its length, with a vestige of a 

 median carina anteriorly, strongly tuberculate but without 

 rugae ; lateral carina somewhat incomplete, below this shagreened 

 except the slightly roughened posterior border. Surface of 

 scutellum slightly roughened and with a few yellowish dots. 

 Hind margin of last ventral segment of female somewhat ex- 



